#page {
    width: 100%;
    height: 100%;
    text-align: center;
    background-image: url("../images/Pleiades_large.jpg");
    background-repeat: no-repeat;
    background-position: 0 0;
    background-size: cover;
}

#options {
    width: 100%;
    height: 70px;
    box-sizing: border-box;
    padding: 10px;
    margin: auto;
}

h1, button {
    color: #00ccff;
}

button {
    margin: 5px;
    background-color: rgba(0,0,0,0.5);
    font-size: 1em;
    border: 1px solid #00ccff;
}

#container {
    box-sizing: border-box;
    margin: auto;
}

.square {
    display: inline-block;
    float: left;
    margin: 0px;
    outline: 1px solid;
    background: #FFFFFF;
}